code: def id_to_label(self, i):
      return self.id2label[i]
  
imports: import json
  import torch
  from torch.utils.data import Dataset
  from torch.nn.utils.rnn import pad_sequence
  import numpy
  import prettytable
  from tqdm import tqdm
  from transformers import AutoTokenizer
  import os
  from deepke.name_entity_re.standard.tools import *
  import requests
  from typing import List
  from .utils import convert_index_to_text
label_desc: Use image node_id 5 for calling the Vocabulary obj's underlying member method code with example usage: obj.id_to_label(i) and returns: self